import {z} from 'zod'

export type StoreId = string;

export type GetApiManagerLoyaltyV1SourceUserSearchArgs = {'X-Store-Id': StoreId, token?: string | undefined, limit: string, source: string, term: string};

export type GetApiManagerLoyaltyV1SourceUserSearchOptions = {baseUrl?: string | undefined, OAuth20?: string | undefined, fetch?: typeof fetch | undefined};

export const userField = z.object({key: z.string().optional(), value: z.string().optional()});

export const user = z.object({id: z.string().optional(), userFields: z.array(userField).optional()});

export const searchUsersResponse = z.object({users: z.array(user).optional(), offsetToken: z.string().optional()});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Search loyalty users
 * 
 * GET /manager/loyalty/v1/{source}/user/search
 */
export const getApiManagerLoyaltyV1SourceUserSearch = async (args: GetApiManagerLoyaltyV1SourceUserSearchArgs, options?: GetApiManagerLoyaltyV1SourceUserSearchOptions) => {
const {baseUrl = "https://partners.tryotter.com", fetch: fetchFn = fetch, OAuth20} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json")

if (args['X-Store-Id'] != null) headers.set("X-Store-Id", String(args['X-Store-Id']))
if (args.token != null) query.append("token", String(args.token))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.term != null) query.append("term", String(args.term))
if (OAuth20 !== undefined) headers.set('authorization', `Bearer ${OAuth20}`)

const url = `${baseUrl.replace(/\/+$/, '')}/manager/loyalty/v1/${encodeURIComponent(String(args.source))}/user/search${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(searchUsersResponse, await res.json())
};